What color is #511B0B?

#511B0B is a dark, vivid brown. In RGB it is rgb(81, 27, 11), and in HSL hsl(14, 76%, 18%).

Is #511B0B accessible as text?

On white, #511B0B has a contrast ratio of 13.89:1 (passes WCAG AA for body text); on black it is 1.51:1 (fails). For text placed on #511B0B, use white for the best readability.

What is the closest Tailwind color to #511B0B?

The nearest Tailwind CSS token is amber-950 (#461901).

What colors go well with #511B0B?

#511B0B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0B4151. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #511B0B below.

Is #511B0B good for buttons?

#511B0B works well for buttons and highlights, but use white text on #511B0B — black text only reaches 1.51:1, below the 4.5:1 needed for normal-size labels.

Is #511B0B the same as CSS maroon?

No — #511B0B is not the CSS named color maroon, but maroon (#800000) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#511B0B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #511B0B

Not just a swatch — here's how #511B0B works with other colors. Named schemes with #511B0B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #511B0B Secondary #B66423 Accent #767743 Surface #F4ECDD Anchor #3B2A20

This palette keeps Oxblood as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Vintage Leather Lead · 5 colors

Lead #511B0B Secondary #7B4926 Surface #EAD9C0 Accent #42503B Anchor #5A222D

Oxblood plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Desert Clay Center · 5 colors

Center #511B0B Surface #E3CEA8 Secondary #B17957 Accent #97976D Anchor #3E2C20

Oxblood holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #511B0B Surface #F0E9DC Highlight #F7F1E7 Secondary #BBAE9F Ink #2B2723

Oxblood sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #511B0B Secondary #634E48 Support #9B9186 Ink #17140F

Oxblood is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Oxblood carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #511B0B actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 75/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 62/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 72/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 36/100

Low

Workable accent with care around contrast.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #511B0B

For UI

For branding

For interior

For fashion

People also use #511B0B with

Burgundy Army Green Gunmetal Gray Gainsboro Taupe

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 13.9:1. Use

Subtle surface Use #ECC9BE for cards and hover fills. Tint 80

Avoid beside #51330B — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #511B0B at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #511B0B;
  --color-base-rgb: 81 27 11;
  --color-base-oklch: oklch(30.4% 0.085 36.8);
  --color-50: #FEF4F1;
  --color-100: #FBE2DA;
  --color-200: #F5C6B7;
  --color-300: #E99D87;
  --color-400: #D8775A;
  --color-500: #BD5737;
  --color-600: #904832;
  --color-700: #663729;
  --color-800: #43271E;
  --color-900: #291914;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  oxblood: {
    50: '#FEF4F1',
    100: '#FBE2DA',
    200: '#F5C6B7',
    300: '#E99D87',
    400: '#D8775A',
    500: '#BD5737',
    600: '#904832',
    700: '#663729',
    800: '#43271E',
    900: '#291914',
  },
}

$base: #511B0B;
$base-ink: #FFFFFF;
$base-50: #FEF4F1;
$base-100: #FBE2DA;
$base-200: #F5C6B7;
$base-300: #E99D87;
$base-400: #D8775A;
$base-500: #BD5737;
$base-600: #904832;
$base-700: #663729;
$base-800: #43271E;
$base-900: #291914;
$base-hover: #411609;
$base-subtle: #E5AD9C;

{
    "color": {
        "base": {
            "value": "#511B0B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF4F1",
                "type": "color"
            },
            "100": {
                "value": "#FBE2DA",
                "type": "color"
            },
            "200": {
                "value": "#F5C6B7",
                "type": "color"
            },
            "300": {
                "value": "#E99D87",
                "type": "color"
            },
            "400": {
                "value": "#D8775A",
                "type": "color"
            },
            "500": {
                "value": "#BD5737",
                "type": "color"
            },
            "600": {
                "value": "#904832",
                "type": "color"
            },
            "700": {
                "value": "#663729",
                "type": "color"
            },
            "800": {
                "value": "#43271E",
                "type": "color"
            },
            "900": {
                "value": "#291914",
                "type": "color"
            }
        }
    }
}

Palettes built on #511B0B

Color Lab

Pairs with #511B0B

UI roles & guardrails

In real applications

Scales

Every model

Export